Fix for users logging in without lab association

portal/views/secure/login_success.py

@@ -28,5 +28,6 @@ class LoginSuccess(View):
             return redirect('pi.dashboard')
 
         else:
-            request.session['active_lab_id'] = user.profile.labs.all()[0].id
+            if user.profiles.labs.exists():
+                request.session['active_lab_id'] = user.profile.labs.first().id
             return redirect('dashboard')